"Water Lily, Kimi ni Sasagu" is a song composed, sung, and illustrated by Hinata Haruhana; it's her ninth work in 2010, the previous being Kimi no Umareta Hi. The song was first published on July 24th 2010, the same day as "Kimi no Umareta Hi". It's featured in the album Shiro to Kuro no Labyrinth on July 24th 2012.